ScyllaDB vs Cassandra: Which is Better in 2026?
Choosing between ScyllaDB and Cassandra comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
ScyllaDB
High-performance NoSQL database
Best for you if:
- • ScyllaDB is a high-performance NoSQL database compatible with Cassandra
- • It delivers 10x better throughput with consistent low latency
Cassandra
Distributed NoSQL database for massive scale
Best for you if:
- • You need something completely free
- • Apache Cassandra is a distributed NoSQL database designed for massive scalability
- • It handles petabytes of data across multiple data centers with no single point of failure
| At a Glance |  ScyllaDB |  Cassandra |
|---|---|---|
Starts at | Usage-based/moCloud Professional | Free |
Best For | Data & Databases | Data & Databases |
Rating | - | - |
Choose ScyllaDB or Cassandra?
Choose ScyllaDB if
High-performance NoSQL database
- Fast Cassandra alternative
- Good performance
- C++ based
Choose Cassandra if
Distributed NoSQL database for massive scale
- Highly scalable
- No single point of failure
- Good for write-heavy
- You want a fully free tool (ScyllaDB requires payment)
| Feature | ScyllaDB | Cassandra |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | ★3.9/5 12 reviews | ★5.0/5 5 reviews |
| Categories | Data & DatabasesCloud & Infrastructure | Data & DatabasesCloud & Infrastructure |
In-Depth Analysis
ScyllaDB
High-performance NoSQL database
Strengths
- +Fast Cassandra alternative
- +Good performance
- +C++ based
- +Active development
- +Good documentation
Weaknesses
- -Learning curve
- -Cassandra compatibility
- -Enterprise features paid
- -Operational complexity
- -Smaller community
Key features
Cassandra
Distributed NoSQL database for massive scale
Strengths
- +Highly scalable
- +No single point of failure
- +Good for write-heavy
- +Geo-distribution
- +Open source
Weaknesses
- -Complex to operate
- -Learning curve
- -Query limitations
- -Resource intensive
- -Not for small scale
Key features
Pricing: ScyllaDB vs Cassandra
| Plan | ScyllaDB | Cassandra |
|---|---|---|
| Tier 1 | Free Open Source | Free Open Source |
| Tier 2 | Usage-based Cloud Professional | N/A |
| Tier 3 | Custom Cloud Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on ScyllaDB pricing and Cassandra pricing.
Who Should Use What?
On a budget?
Cassandra is free. ScyllaDB is freemium.
Go with: Cassandra
Want the highest-rated option?
Neither has user reviews yet.
Go with: ScyllaDB
Value user reviews?
Neither has user reviews yet.
Go with: ScyllaDB
3 Questions to Help You Decide
What's your budget?
ScyllaDB is freemium. Cassandra is free. Go with Cassandra if free matters most.
What's your use case?
Both are data & databases tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
ScyllaDB
- Larger review base (12 reviews)
- Free tier available
- Our pick for this comparison
Cassandra
- Completely free
- Higher user rating: 5.0/5 vs 3.9/5
The Bottom Line
ScyllaDB is our pick. That said, Cassandra is free, hard to beat on price.
Frequently Asked Questions
Is ScyllaDB or Cassandra better?
ScyllaDB is rated in our evaluation. ScyllaDB is freemium and Cassandra is free.
What are ScyllaDB and Cassandra used for?
ScyllaDB: High-performance NoSQL database. Cassandra: Distributed NoSQL database for massive scale.
What does ScyllaDB cost vs Cassandra?
ScyllaDB is freemium (free tier + paid plans). Cassandra is completely free. Visit their websites for detailed pricing.